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Joey Hess 2015-08-11 13:36:22 -04:00
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doc/todo/speed_up_transfers_over_ssh+rsync_--_directly_reuse_the_same_connection__63__/comment_5_fca151591d0c6c75013711cb5de81d47._comment Normal file
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[[!comment format=mdwn
username="joey"
subject="""comment 5"""
date="2015-08-11T17:27:23Z"
content="""
AFAIK, it's not possible to run multiple separate rsync transfers over a single
connection; rsync closes the connection after a transfer is complete (and
the rsync protocol is nowhere documented, and has only one implementation
so there's no way to avoid this behavior).
So, rsync would need to be told a whole list of files to transfer in one go,
which poses many difficulties, including for git-annex's progress display,
and for needing to queue up a set of files when eg `git annex get` is picking
which ones to get.
I'd want to see a lot more measurements of where bottlenecks are in
the current system, before seriously considering such a thing.
"""]]